Kari Mustonen graduated as a construction engineer in 1987, and became legalized real estate broker(LKV) in 1990. He has worked in real estate business for over 30 years. He has experience as broker of houses, apartments, premises and property. His particular specialiality is in brokerage and valuation of business premisess and property, and different types of real estate investment and development. He became authorized property valuer in 2002. He is also KHK, real estate valuator approved by finnish chamber of commerce.